pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5504-MuirlandWillie1.ps) >>/Users/jc/w/tmp/Tune-5504-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/MuirlandWillie1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_55041.log 465578 Log file, useful mostly for debugging
Tune-5504-MuirlandWillie1.abc 1655 ABC music file with the extracted tune(s)
Tune-5504-MuirlandWillie1.ps 45622 PostScript
Tune-5504-MuirlandWillie1.txt 1655 Plain-text file with the extracted tune(s)
Tune-5504-get.log 4933 Log file, useful mostly for debugging
Tune-55049-Hasapikos3.abc 481 ABC music file with the extracted tune(s)
Tune-55049-Hasapikos3.pdf 13659 Portable Data Format
Tune-55049-Hasapikos3.ps 34149 PostScript
Tune-55049-Hasapikos3.txt 481 Plain-text file with the extracted tune(s)
Tune-55049-get.log 5161 Log file, useful mostly for debugging
These files should be available for 24 hours.